AA 3062 then AA 6250 at O'Hare
Las Vegas → Chicago → Kansas City
Timetable, Chicago time
05:59AA 3062 from Las Vegas at the gate
10:01AA 6250 to Kansas City leaves the gate
4 h 02 apart on the timetable
The last days
AA 3062 and AA 6250 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.